n.便血

The patient presented with hematochezia, which was initially mistaken for rectal bleeding.
病人表现出便血症状，最初被误认为是直肠出血。
Hematochezia can be an indicative symptom of colorectal cancer or diverticulitis.
便血可能是结直肠癌或憩室炎的一个指示性症状。
His sudden onset of hematochezia prompted an immediate visit to the emergency room.
他突然出现便血症状，立即前往急诊室就诊。
In cases of severe hematochezia, transfusion may be necessary to replace lost blood.
在严重便血的情况下，可能需要输血来补充流失的血液。
The presence of hematochezia in a child should prompt a thorough investigation into possible causes.
儿童出现便血应促使对可能的原因进行全面调查。
Despite taking medication, her hematochezia persisted, suggesting a more serious underlying condition.
尽管服用了药物，她的便血症状仍然持续存在，暗示可能存在更严重的潜在疾病。
A colonoscopy was performed to identify the source of the patient's hematochezia.
对病人进行了结肠镜检查以确定便血的来源。
Hematochezia is not always caused by a serious illness; it could also be due to hemorrhoids or anal fissures.
便血并不总是由严重疾病引起的，也可能由痔疮或肛裂导致。
Ingestion of certain medications can cause gastrointestinal irritation and result in hematochezia.
摄入某些药物可能会引起胃肠道刺激，并导致便血。
Early detection and intervention are crucial when dealing with hematochezia to prevent further complications.
在处理便血问题时，早期发现和干预至关重要，以防止进一步并发症。